Is so much but I’m answering in my house and i help you ok one is A
Answer:
A hill is a part of land that rises higher then everything surrounding it its like a little bump in the earth. Mountains have less steep and not as high but a hill will usually have and obvious summit which is its highest point
I think its A. If you had options like mine
Answer:
Chemicals that are secreted from antigen-presenting cells then activate helper T cells.
Explanation:
Answer:
By the amount of silica
cause igneous rock is classified by their color, texture and chemical composition